package com.yulian.util;

import java.util.HashSet;
import java.util.Set;
import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.HanyuPinyinVCharType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;

public class Pinyin4jUtil {
	
	/**
	 * getFirstSpellPinYin:(多音字的时候获取第一个). <br/> 
	 * @param src  传入的拼音字符串，以逗号隔开
	 * @param isFullSpell 是否全拼，true:全拼，false:第一个汉字全拼(其它汉字取首字母)
	 * @return 第一个拼音
	 */
	public static String getFirstSpellPinYin(String src , boolean isFullSpell) {
		String targetStr = Pinyin4jUtil.makeStringByStringSet(Pinyin4jUtil.getPinyin(src, isFullSpell));
		String[] split = targetStr.split(",");
		if (split.length > 1) {
			targetStr = split[0];
		}
		return targetStr;
	}

	/**
	 * makeStringByStringSet:(拼音字符串集合转换字符串(逗号分隔)). <br/> 
	 * @param stringSet  拼音集合
	 * @return  带逗号字符串
	 */
	public static String makeStringByStringSet(Set<String> stringSet) {
		StringBuilder str = new StringBuilder();
		int i = 0;
		if (stringSet.size() > 0) {
			for (String s : stringSet) {
				if (i == stringSet.size() - 1) {
					str.append(s);
				} else {
					str.append(s + ",");
				}
				i++;
			}
		}
		return str.toString().toLowerCase();
	}

	/**
	 * getPinyin:(获取汉字拼音). <br/> 
	 * @param src   汉字
	 * @param isFullPin  是否全拼,如果为true：全拼，false:首字全拼
	 * @return
	 */
	public static Set<String> getPinyin(String src, boolean isFullSpell) {
		if (src != null && !src.trim().equalsIgnoreCase("")) {
			char[] srcChar;
			srcChar = src.toCharArray();
			// 汉语拼音格式输出类
			HanyuPinyinOutputFormat hanYuPinOutputFormat = new HanyuPinyinOutputFormat();

			// 输出设置，大小写，音标方式等
			hanYuPinOutputFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
			hanYuPinOutputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
			hanYuPinOutputFormat.setVCharType(HanyuPinyinVCharType.WITH_V);

			String[][] temp = new String[src.length()][];
			for (int i = 0; i < srcChar.length; i++) {
				char c = srcChar[i];
				if (String.valueOf(c).matches("[\\u4E00-\\u9FA5]+")) {//中文
					try {
						temp[i] = PinyinHelper.toHanyuPinyinStringArray(
								srcChar[i], hanYuPinOutputFormat);
						if (!isFullSpell) {
							if (i == 0) {
								temp[i] = temp[i];
							} else {
								String[] tTemps = new String[temp[i].length];
								for (int j = 0; j < temp[i].length; j++) {
									char t = temp[i][j].charAt(0);
									tTemps[j] = Character.toString(t);
								}
								temp[i] = tTemps;
							}
						}
					} catch (BadHanyuPinyinOutputFormatCombination e) {
						e.printStackTrace();
					}
				} else if (((int) c >= 65 && (int) c <= 90)
						|| ((int) c >= 97 && (int) c <= 122)) {//英文
					temp[i] = new String[] { String.valueOf(srcChar[i]) };
				} else {
					temp[i] = new String[] { "" };
				}
			}
			String[] pingyinArray = exchange(temp);
			Set<String> pinyinSet = new HashSet<String>();
			for (int i = 0; i < pingyinArray.length; i++) {
				pinyinSet.add(pingyinArray[i]);
			}
			return pinyinSet;
		}
		return null;
	}

	/**
	 * 递归
	 * @param strJaggedArray
	 * @return
	 */
	public static String[] exchange(String[][] strJaggedArray) {
		String[][] temp = doExchange(strJaggedArray);
		return temp[0];
	}

	/**
	 * 递归
	 * @param strJaggedArray
	 * @return
	 */
	private static String[][] doExchange(String[][] strJaggedArray) {
		int len = strJaggedArray.length;
		if (len >= 2) {
			int len1 = strJaggedArray[0].length;
			int len2 = strJaggedArray[1].length;
			int newlen = len1 * len2;
			String[] temp = new String[newlen];
			int Index = 0;
			for (int i = 0; i < len1; i++) {
				for (int j = 0; j < len2; j++) {
					temp[Index] = strJaggedArray[0][i] + strJaggedArray[1][j];
					Index++;
				}
			}
			String[][] newArray = new String[len - 1][];
			for (int i = 2; i < len; i++) {
				newArray[i - 1] = strJaggedArray[i];
			}
			newArray[0] = temp;
			return doExchange(newArray);
		} else {
			return strJaggedArray;
		}
	}
	
	
}
 
